Home / 10,054.64-13,875.63-5,578.33

Finding the Fourth Proportional to 10,054.64, 13,875.63 and 5,578.33

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Solution

The fourth proportional to 10,054.64, 13,875.63 and 5,578.33 is: 7,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.64 : 13,875.63 = 5,578.33 : x
  2. Step 2: Convert to fraction form
    10,054.64/13,875.63 = 5,578.33/x
  3. Step 3: Cross multiply
    10,054.64x = 13,875.63 × 5,578.33
  4. Step 4: Simplify right side
    10,054.64x = 77,402,794.46
  5. Step 5: Solve for x
    x = 77,402,794.46/10,054.64
  6. Step 6: Final answer
    x = 7,698.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.